Home / 351,332.80-526,999.20-225,361.60

Finding the Fourth Proportional to 351,332.80, 526,999.20 and 225,361.60

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Solution

The fourth proportional to 351,332.80, 526,999.20 and 225,361.60 is: 338,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,332.80 : 526,999.20 = 225,361.60 : x
  2. Step 2: Convert to fraction form
    351,332.80/526,999.20 = 225,361.60/x
  3. Step 3: Cross multiply
    351,332.80x = 526,999.20 × 225,361.60
  4. Step 4: Simplify right side
    351,332.80x = 118,765,382,910.72
  5. Step 5: Solve for x
    x = 118,765,382,910.72/351,332.80
  6. Step 6: Final answer
    x = 338,042.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.